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Both axienet_mdio_{enable/disable} functions are no longer used in
xilinx_axienet_main.c due to 253761a0e61b7. And axienet_mdio_disable is
not even used in the mdio.c. So unexport and remove them.
Signed-off-by: Andy Chiu <andy.chiu@sifive.com>
Reviewed-by: Greentime Hu <greentime.hu@sifive.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Smatch complains that:
drivers/net/ethernet/microchip/sparx5/sparx5_dcb.c:112
sparx5_dcb_apptrust_validate() error: uninitialized symbol 'match'.
This would only happen if the:
if (sparx5_dcb_apptrust_policies[i].nselectors != nselectors)
condition is always true (they are not equal). The "nselectors"
variable comes from dcbnl_ieee_set() and it is a number between 0-256.
This seems like a probably a real bug.
Fixes: 23f8382cd95d ("net: microchip: sparx5: add support for apptrust")
Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Daniel Machon <daniel.machon@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix RSTCTRL_PPE0 and RSTCTRL_PPE1 register mask definitions for
MTK_NETSYS_V2.
Remove duplicated definitions.
Fixes: 160d3a9b1929 ("net: ethernet: mtk_eth_soc: introduce MTK_NETSYS_V2 support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
When VCAP_KUNIT_TEST is enabled the following warnings are generated:
drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c:257:34: warning: Using plain integer as NULL pointer
drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c:258:41: warning: Using plain integer as NULL pointer
drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c:342:23: warning: Using plain integer as NULL pointer
drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c:359:23: warning: Using plain integer as NULL pointer
drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c:1327:34: warning: Using plain integer as NULL pointer
drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c:1328:41: warning: Using plain integer as NULL pointer
Therefore fix this.
Fixes: dccc30cc4906 ("net: microchip: sparx5: Add KUNIT test of counters and sorted rules")
Fixes: c956b9b318d9 ("net: microchip: sparx5: Adding KUNIT tests of key/action values in VCAP API")
Fixes: 67d637516fa9 ("net: microchip: sparx5: Adding KUNIT test for the VCAP API")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Simon Horman says:
====================
nfp: IPsec offload support
Huanhuan Wang says:
this series adds support for IPsec offload to the NFP driver.
It covers three enhancements:
1. Patches 1/3:
- Extend the capability word and control word to to support
new features.
2. Patch 2/3:
- Add framework to support IPsec offloading for NFP driver,
but IPsec offload control plane interface xfrm callbacks which
interact with upper layer are not implemented in this patch.
3. Patch 3/3:
- IPsec control plane interface xfrm callbacks are implemented
in this patch.
Changes since v3
* Remove structure fields that describe firmware but
are not used for Kernel offload
* Add WARN_ON(!xa_empty()) before call to xa_destroy()
* Added helpers for hash methods
Changes since v2
* OFFLOAD_HANDLE_ERROR macro and the associated code removed
* Unnecessary logging removed
* Hook function xdo_dev_state_free in struct xfrmdev_ops removed
* Use Xarray to maintain SA entries
Changes since v1
* Explicitly return failure when XFRM_STATE_ESN is set
* Fix the issue that AEAD algorithm is not correctly offloaded
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Xfrm callbacks are implemented to offload SA info into firmware
by mailbox. It supports 16K SA info in total.
Expose ipsec offload feature to upper layer, this feature will
signal the availability of the offload.
Based on initial work of Norm Bagley <norman.bagley@netronome.com>.
Signed-off-by: Huanhuan Wang <huanhuan.wang@corigine.com>
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A new metadata type and config structure are introduced to
interact with firmware to support ipsec offloading. This
feature relies on specific firmware that supports ipsec
encrypt/decrypt by advertising related capability bit.
The xfrm callbacks which interact with upper layer are
implemented in the following patch.
Based on initial work of Norm Bagley <norman.bagley@netronome.com>.
Signed-off-by: Huanhuan Wang <huanhuan.wang@corigine.com>
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently the 32-bit capability word is almost exhausted, now
allocate some more words to support new features, and control
word is also extended accordingly. Packet-type offloading is
implemented in NIC application firmware, but it's not used in
kernel driver, so reserve this bit here in case it's redefined
for other use.
Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When built with Control Flow Integrity, function prototypes between
caller and function declaration must match. These mismatches are visible
at compile time with the new -Wcast-function-type-strict in Clang[1].
Fix a total of 227 warnings like these:
drivers/net/ethernet/brocade/bna/bna_enet.c:519:3: warning: cast from 'void (*)(struct bna_ethport *, enum bna_ethport_event)' to 'bfa_fsm_t' (aka 'void (*)(void *, int)') converts to incompatible function type [-Wcast-function-type-strict]
bfa_fsm_set_state(ethport, bna_ethport_sm_down);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The bna state machine code heavily overloads its state machine functions,
so these have been separated into their own sets of structs, enums,
typedefs, and helper functions. There are almost zero binary code changes,
all seem to be related to header file line numbers changing, or the
addition of the new stats helper.
Important to mention is that while I was manually implementing this changes
I was staring at this[2] patch from Kees Cook. Thanks, Kees. :)
Link: https://github.com/KSPP/linux/issues/240
[1] https://reviews.llvm.org/D134831
[2] https://lore.kernel.org/linux-hardening/20220929230334.2109344-1-keescook@chromium.org/
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Keeps traffic sent to the switch within link speed limits
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20221116080734.44013-6-nbd@nbd.name
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When sending traffic to multiple ports with different link speeds, queued
packets to one port can drown out tx to other ports.
In order to better handle transmission to multiple ports, use the hardware
shaper feature to implement weighted fair queueing between ports.
Weight and maximum rate are automatically adjusted based on the link speed
of the port.
The first 3 queues are unrestricted and reserved for non-DSA direct tx on
GMAC ports. The following queues are automatically assigned by the MTK DSA
tag driver based on the target port number.
The PPE offload code configures the queues for offloaded traffic in the same
way.
This feature is only supported on devices supporting QDMA. All queues still
share the same DMA ring and descriptor pool.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20221116080734.44013-5-nbd@nbd.name
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
On newer chips, this field is unused and contains some bits related to queue
assignment. Initialize it to 0 in those cases.
Fix offload_version on MT7621 and MT7623, which still need the previous value.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20221116080734.44013-4-nbd@nbd.name
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In order to use the hardware traffic shaper feature, a larger tx ring is
needed, especially for the scratch ring, which the hardware shaper uses to
reorder packets.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20221116080734.44013-2-nbd@nbd.name
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Commit a7c2a32e7f22 ("net: fman: memac: Use lynx pcs driver") makes the
Freescale Data-Path Acceleration Architecture Frame Manager use lynx pcs
driver by selecting PCS_LYNX.
It also selects the non-existing config PCS as well, which has no effect.
Remove this select to a non-existing config.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20221116102450.13928-1-lukas.bulwahn@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
I've added a flex array to struct nlmsghdr in
commit 738136a0e375 ("netlink: split up copies in the ack construction")
to allow accessing the data easily. It leads to warnings with clang,
if user space wraps this structure into another struct and the flex
array is not at the end of the container.
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/all/20221114023927.GA685@u2004-local/
Link: https://lore.kernel.org/r/20221118033903.1651026-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The caller of del_timer_sync must prevent restarting of the timer, If
we have no this synchronization, there is a small probability that the
cancellation will not be successful.
And syzbot report the fellowing crash:
==================================================================
BUG: KASAN: use-after-free in hlist_add_head include/linux/list.h:929 [inline]
BUG: KASAN: use-after-free in enqueue_timer+0x18/0xa4 kernel/time/timer.c:605
Write at addr f9ff000024df6058 by task syz-fuzzer/2256
Pointer tag: [f9], memory tag: [fe]
CPU: 1 PID: 2256 Comm: syz-fuzzer Not tainted 6.1.0-rc5-syzkaller-00008-
ge01d50cbd6ee #0
Hardware name: linux,dummy-virt (DT)
Call trace:
dump_backtrace.part.0+0xe0/0xf0 arch/arm64/kernel/stacktrace.c:156
dump_backtrace arch/arm64/kernel/stacktrace.c:162 [inline]
show_stack+0x18/0x40 arch/arm64/kernel/stacktrace.c:163
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x68/0x84 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:284 [inline]
print_report+0x1a8/0x4a0 mm/kasan/report.c:395
kasan_report+0x94/0xb4 mm/kasan/report.c:495
__do_kernel_fault+0x164/0x1e0 arch/arm64/mm/fault.c:320
do_bad_area arch/arm64/mm/fault.c:473 [inline]
do_tag_check_fault+0x78/0x8c arch/arm64/mm/fault.c:749
do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:825
el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:576
hlist_add_head include/linux/list.h:929 [inline]
enqueue_timer+0x18/0xa4 kernel/time/timer.c:605
mod_timer+0x14/0x20 kernel/time/timer.c:1161
mrp_periodic_timer_arm net/802/mrp.c:614 [inline]
mrp_periodic_timer+0xa0/0xc0 net/802/mrp.c:627
call_timer_fn.constprop.0+0x24/0x80 kernel/time/timer.c:1474
expire_timers+0x98/0xc4 kernel/time/timer.c:1519
To fix it, we can introduce a new active flags to make sure the timer will
not restart.
Reported-by: syzbot+6fd64001c20aa99e34a4@syzkaller.appspotmail.com
Signed-off-by: Schspa Shi <schspa@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'rxrpc-next-20221116' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
David Howells says:
====================
rxrpc: Fix oops and missing config conditionals
The patches that were pulled into net-next previously[1] had some issues
that this patchset fixes:
(1) Fix missing IPV6 config conditionals.
(2) Fix an oops caused by calling udpv6_sendmsg() directly on an AF_INET
socket.
(3) Fix the validation of network addresses on entry to socket functions
so that we don't allow an AF_INET6 address if we've selected an
AF_INET transport socket.
Link: https://lore.kernel.org/r/166794587113.2389296.16484814996876530222.stgit@warthog.procyon.org.uk/ [1]
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Dan reported a new warning after my recent patch:
New smatch warnings:
net/core/dev.c:6409 napi_disable() error: uninitialized symbol 'new'.
Indeed, we must first wait for STATE_SCHED and STATE_NPSVC to be cleared,
to make sure @new variable has been initialized properly.
Fixes: 4ffa1d1c6842 ("net: adopt try_cmpxchg() in napi_{enable|disable}()")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The "pkt" was supposed to have been deleted in a previous patch. It
leads to an uninitialized variable bug.
Fixes: 72f0c6fb0579 ("rxrpc: Allocate ACK records at proposal and queue for transmission")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The error handling for if skb_copy_bits() fails was accidentally deleted
so the rxkad_decrypt_ticket() function is not called.
Fixes: 5d7edbc9231e ("rxrpc: Get rid of the Rx ring")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Get rid of cpu_relax in mtk_pending_work routine since MTK_RESETTING is
set only in mtk_pending_work() and it runs holding rtnl lock
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Restore user configured MTU running mtk_hw_init() during tx timeout routine
since it will be overwritten after a hw reset.
Reported-by: Felix Fietkau <nbd@nbd.name>
Fixes: 9ea4d311509f ("net: ethernet: mediatek: add the whole ethernet reset into the reset process")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Dan Carpenter reported that Smatch found an instance where a pointer
which had previously been assumed could be null (as indicated by a
null check) was later dereferenced without a similar check.
In practice this doesn't lead to a problem because currently the
pointers used are all non-null. Nevertheless this patch addresses
the reported problem.
In addition, I spotted another bug that arose in the same commit.
When the command to initialize a routing table memory region was
added, the number of entries computed for the non-hashed table
was wrong (it ended up being a Boolean rather than the count
intended). This bug is fixed here as well.
Reported-by: Dan Carpenter <error27@gmail.com>
Link: https://lore.kernel.org/kernel-janitors/Y3OOP9dXK6oEydkf@kili
Tested-by: Caleb Connolly <caleb.connolly@linaro.com>
Fixes: 5cb76899fb47 ("net: ipa: reduce arguments to ipa_table_init_add()")
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Second set of patches for v6.2. Only driver patches this time, nothing
really special. Unused platform data support was removed from wl1251
and rtw89 got WoWLAN support.
Major changes:
ath11k
* support configuring channel dwell time during scan
rtw89
* new dynamic header firmware format support
* Wake-over-WLAN support
rtl8xxxu
* enable IEEE80211_HW_SUPPORT_FAST_XMIT
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Merge tag 'wireless-next-2022-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.2
Second set of patches for v6.2. Only driver patches this time, nothing
really special. Unused platform data support was removed from wl1251
and rtw89 got WoWLAN support.
Major changes:
ath11k
* support configuring channel dwell time during scan
rtw89
* new dynamic header firmware format support
* Wake-over-WLAN support
rtl8xxxu
* enable IEEE80211_HW_SUPPORT_FAST_XMIT
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Xin Long says:
====================
sctp: support vrf processing
This patchset adds the VRF processing in SCTP. Simliar to TCP/UDP,
it includes socket bind and socket/association lookup changes.
For socket bind change, it allows sockets to bind to a VRF device
and allows multiple sockets with the same IP and PORT to bind to
different interfaces in patch 1-3.
For socket/association lookup change, it adds dif and sdif check
in both asoc and ep lookup in patch 4 and 5, and when binding to
nodev, users can decide if accept the packets received from one
l3mdev by setup a sysctl option in patch 6.
Note with VRF support, in a netns, an association will be decided
by src ip + src port + dst ip + dst port + bound_dev_if, and it's
possible for ss to have:
State Local Address:Port Peer Address:Port
ESTAB 192.168.1.2%vrf-s1:1234
`- ESTAB 192.168.1.2%veth1:1234 192.168.1.1:1234
ESTAB 192.168.1.2%vrf-s2:1234
`- ESTAB 192.168.1.2%veth2:1234 192.168.1.1:1234
See the selftest in patch 7 for more usage.
Also, thanks Carlo for testing this patch series on their use.
v1->v2:
- In Patch 5, move sctp_sk_bound_dev_eq() definition to net/sctp/
input.c to avoid a build error when IP_SCTP is disabled, as Paolo
suggested.
- In Patch 7, avoid one sleep by disabling the IPv6 dad, and remove
another sleep by using ss to check if the server's ready, and also
delete two unncessary sleeps in sctp_hello.c, as Paolo suggested.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds 12 small test cases: 01-04 test for the sysctl
net.sctp.l3mdev_accept. 05-10 test for only binding to a right
l3mdev device, the connection can be created. 11-12 test for
two socks binding to different l3mdev devices at the same time,
each of them can process the packets from the corresponding
peer. The tests run for both IPv4 and IPv6 SCTP.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch is to add sysctl net.sctp.l3mdev_accept to allow
users to change the pernet global l3mdev_accept.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch at first adds a pernet global l3mdev_accept to decide if it
accepts the packets from a l3mdev when a SCTP socket doesn't bind to
any interface. It's set to 1 to avoid any possible incompatible issue,
and in next patch, a sysctl will be introduced to allow to change it.
Then similar to inet/udp_sk_bound_dev_eq(), sctp_sk_bound_dev_eq() is
added to check either dif or sdif is equal to sk_bound_dev_if, and to
check sid is 0 or l3mdev_accept is 1 if sk_bound_dev_if is not set.
This function is used to match a association or a endpoint, namely
called by sctp_addrs_lookup_transport() and sctp_endpoint_is_match().
All functions that needs updating are:
sctp_rcv():
asoc:
__sctp_rcv_lookup()
__sctp_lookup_association() -> sctp_addrs_lookup_transport()
__sctp_rcv_lookup_harder()
__sctp_rcv_init_lookup()
__sctp_lookup_association() -> sctp_addrs_lookup_transport()
__sctp_rcv_walk_lookup()
__sctp_rcv_asconf_lookup()
__sctp_lookup_association() -> sctp_addrs_lookup_transport()
ep:
__sctp_rcv_lookup_endpoint() -> sctp_endpoint_is_match()
sctp_connect():
sctp_endpoint_is_peeled_off()
__sctp_lookup_association()
sctp_has_association()
sctp_lookup_association()
__sctp_lookup_association() -> sctp_addrs_lookup_transport()
sctp_diag_dump_one():
sctp_transport_lookup_process() -> sctp_addrs_lookup_transport()
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add skb_sdif function in struct sctp_af to get the enslaved device
for both ipv4 and ipv6 when adding SCTP VRF support in sctp_rcv in
the next patch.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In sctp_get_port_local(), when binding to IP and PORT, it should
also check sk_bound_dev_if to match listening sk if it's set by
SO_BINDTOIFINDEX, so that multiple sockets with the same IP and
PORT, but different sk_bound_dev_if can be listened at the same
time.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When binding to an ipv6 address, it calls ipv6_chk_addr() to check if
this address is on any dev. If a socket binds to a l3mdev but no dev
is passed to do this check, all l3mdev and slaves will be skipped and
the check will fail.
This patch is to pass the bound_dev to make sure the devices under the
same l3mdev can be returned in ipv6_chk_addr(). When the bound_dev is
not a l3mdev or l3slave, l3mdev_master_dev_rcu() will return NULL in
__ipv6_chk_addr_and_flags(), it will keep compitable with before when
NULL dev was passed.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
After binding to a l3mdev, it should use the route table from the
corresponding VRF to verify the addr when binding to an address.
Note ipv6 doesn't need it, as binding to ipv6 address does not
verify the addr with route lookup.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix duplicate check on polling timeout.
Fixes: 1efa9bfe58c5 ("net: libwx: Implement interaction with firmware")
Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Following 1b16b3fdf675 ("net: phy: mscc: macsec: clear encryption keys when freeing a flow"),
go one step further and instead of calling memzero_explicit on the key
when freeing a flow, simply not copy the key in the first place as it's
only used when a new flow is set up.
Signed-off-by: Antoine Tenart <atenart@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Alex Elder says:
====================
net: ipa: change GSI firmware load specification
Currently, GSI firmware must be loaded for IPA before it can be
used--either by the modem, or by the AP. New hardware supports a
third option, with the bootloader taking responsibility for loading
GSI firmware. In that case, neither the AP nor the modem needs to
do that.
The first patch in this series deprecates the "modem-init" Device
Tree property in the IPA binding, using a new "qcom,gsi-loader"
property instead. The second and third implement logic in the code
to support either the "old" or the "new" way of specifying how GSI
firmware is loaded.
The last two patches implement a new value for the "qcom,gsi-loader"
property. If the value is "skip", neither the AP nor modem needs to
load the GSI firmware. The first of these patches implements the
change in the IPA binding; the second implements it in the code.
====================
Link: https://lore.kernel.org/r/20221116073257.34010-1-elder@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Define a new value "skip" for the "qcom,gsi-loader" Device Tree
property. If used, it indicates that neither the AP nor the modem
need to load GSI firmware (because it has already been loaded--for
example by the boot loader).
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add a new enumerated value to those defined for the qcom,gsi-loader
property. If the qcom,gsi-loader is "skip", the GSI firmware will
already be loaded, so neither the AP nor modem is required to load
GSI firmware.
Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Introduce a new way of specifying how the GSI firmware gets loaded
for IPA. Currently, this is indicated by the presence or absence of
the Boolean "modem-init" Device Tree property. The new property
must have a value--either "self" or "modem"--which indicates whether
the AP or modem is the GSI firmware loader, respectively.
For legacy systems, the new property will not exist, and the
"modem-init" property will be used. For newer systems, the
"qcom,gsi-loader" property *must* exist, and must have one of the
two prescribed values. It is an error to have both properties
defined, and it is an error for the new property to have an
unrecognized value.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The GSI layer used for IPA requires firmware to be loaded.
Currently either the AP or the modem loads the firmware,
distinguished by whether the "modem-init" Device Tree
property is defined.
Some newer systems implement a third option. In preparation for
that, encapsulate the code that determines how the GSI firmware
gets loaded in a new function, ipa_firmware_loader().
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
GSI firmware for IPA must be loaded during initialization, either by
the AP or by the modem. The loader is currently specified based on
whether the Boolean modem-init property is present.
Instead, use a new property with an enumerated value to indicate
explicitly how GSI firmware gets loaded. With this in place, a
third approach can be added in an upcoming patch.
The new qcom,gsi-loader property has two defined values:
- self: The AP loads GSI firmware
- modem: The modem loads GSI firmware
The modem-init property must still be supported, but is now marked
deprecated.
Update the example so it represents the SC7180 SoC, and provide
examples for the qcom,gsi-loader, memory-region, and firmware-name
properties.
Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Move these two macros from net/sctp/sctp.h to linux/sctp.h, so that
it will be enough to include only linux/sctp.h in nft_exthdr.c and
xt_sctp.c. It should not include "net/sctp/sctp.h" if a module does
not have a dependence on SCTP module.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Reviewed-by: Saeed Mahameed <saeed@kernel.org>
Link: https://lore.kernel.org/r/ef6468a687f36da06f575c2131cd4612f6b7be88.1668526821.git.lucien.xin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Currently "net/sctp/checksum.h" including "net/sctp/sctp.h" is
included in quite some places in netfilter and openswitch and
net/sched. It's not necessary to include "net/sctp/sctp.h" if
a module does not have dependence on SCTP, "linux/sctp.h" is
the right one to include.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Reviewed-by: Saeed Mahameed <saeed@kernel.org>
Link: https://lore.kernel.org/r/ca7ea96d62a26732f0491153c3979dc1c0d8d34a.1668526793.git.lucien.xin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Michal Wilczynski says:
====================
Implement devlink-rate API and extend it
This patch series implements devlink-rate for ice driver. Unfortunately
current API isn't flexible enough for our use case, so there is a need to
extend it. Some functions have been introduced to enable the driver to
export current Tx scheduling configuration.
Pasting justification for this series from commit implementing devlink-rate
in ice driver(that is a part of this series):
There is a need to support modification of Tx scheduler tree, in the
ice driver. This will allow user to control Tx settings of each node in
the internal hierarchy of nodes. As a result user will be able to use
Hierarchy QoS implemented entirely in the hardware.
This patch implemenents devlink-rate API. It also exports initial
default hierarchy. It's mostly dictated by the fact that the tree
can't be removed entirely, all we can do is enable the user to modify
it. For example root node shouldn't ever be removed, also nodes that
have children are off-limits.
Example initial tree with 2 VF's:
[root@fedora ~]# devlink port function rate show
pci/0000:4b:00.0/node_27: type node parent node_26
pci/0000:4b:00.0/node_26: type node parent node_0
pci/0000:4b:00.0/node_34: type node parent node_33
pci/0000:4b:00.0/node_33: type node parent node_32
pci/0000:4b:00.0/node_32: type node parent node_16
pci/0000:4b:00.0/node_19: type node parent node_18
pci/0000:4b:00.0/node_18: type node parent node_17
pci/0000:4b:00.0/node_17: type node parent node_16
pci/0000:4b:00.0/node_21: type node parent node_20
pci/0000:4b:00.0/node_20: type node parent node_3
pci/0000:4b:00.0/node_14: type node parent node_5
pci/0000:4b:00.0/node_5: type node parent node_3
pci/0000:4b:00.0/node_13: type node parent node_4
pci/0000:4b:00.0/node_12: type node parent node_4
pci/0000:4b:00.0/node_11: type node parent node_4
pci/0000:4b:00.0/node_10: type node parent node_4
pci/0000:4b:00.0/node_9: type node parent node_4
pci/0000:4b:00.0/node_8: type node parent node_4
pci/0000:4b:00.0/node_7: type node parent node_4
pci/0000:4b:00.0/node_6: type node parent node_4
pci/0000:4b:00.0/node_4: type node parent node_3
pci/0000:4b:00.0/node_3: type node parent node_16
pci/0000:4b:00.0/node_16: type node parent node_15
pci/0000:4b:00.0/node_15: type node parent node_0
pci/0000:4b:00.0/node_2: type node parent node_1
pci/0000:4b:00.0/node_1: type node parent node_0
pci/0000:4b:00.0/node_0: type node
pci/0000:4b:00.0/1: type leaf parent node_27
pci/0000:4b:00.0/2: type leaf parent node_27
Let me visualize part of the tree:
+---------+
| node_0 |
+---------+
|
+----v----+
| node_26 |
+----+----+
|
+----v----+
| node_27 |
+----+----+
|
|-----------------|
+----v----+ +----v----+
| VF 1 | | VF 2 |
+----+----+ +----+----+
So at this point there is a couple things that can be done.
For example we could only assign parameters to VF's.
[root@fedora ~]# devlink port function rate set pci/0000:4b:00.0/1 \
tx_max 5Gbps
This would cap the VF 1 BW to 5Gbps.
But let's say you would like to create a completely new branch.
This can be done like this:
[root@fedora ~]# devlink port function rate add \
pci/0000:4b:00.0/node_custom parent node_0
[root@fedora ~]# devlink port function rate add \
pci/0000:4b:00.0/node_custom_1 parent node_custom
[root@fedora ~]# devlink port function rate set \
pci/0000:4b:00.0/1 parent node_custom_1
This creates a completely new branch and reassigns VF 1 to it.
A number of parameters is supported per each node: tx_max, tx_share,
tx_priority and tx_weight.
====================
Link: https://lore.kernel.org/r/20221115104825.172668-1-michal.wilczynski@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Provide documentation for newly introduced netlink attributes for
devlink-rate: tx_priority and tx_weight.
Mention the possibility to export tree from the driver.
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add documentation to a newly added devlink-rate feature. Provide some
examples on how to use the commands, which netlink attributes are
supported and descriptions of the attributes.
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
ADQ, DCB might interfere with Custom Tx Scheduler changes that user
might introduce using devlink-rate API.
Check if ADQ, DCB is active, when user tries to change any setting
in exported Tx scheduler tree. If any of those are active block the user
from doing so, and log an appropriate message.
Remove the exported hierarchy if user enable ADQ or DCB.
Prevent ADQ or DCB from getting configured if user already made some
changes using devlink-rate API.
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
There is a need to support modification of Tx scheduler tree, in the
ice driver. This will allow user to control Tx settings of each node in
the internal hierarchy of nodes. As a result user will be able to use
Hierarchy QoS implemented entirely in the hardware.
This patch implemenents devlink-rate API. It also exports initial
default hierarchy. It's mostly dictated by the fact that the tree
can't be removed entirely, all we can do is enable the user to modify
it. For example root node shouldn't ever be removed, also nodes that
have children are off-limits.
Example initial tree with 2 VF's:
[root@fedora ~]# devlink port function rate show
pci/0000:4b:00.0/node_27: type node parent node_26
pci/0000:4b:00.0/node_26: type node parent node_0
pci/0000:4b:00.0/node_34: type node parent node_33
pci/0000:4b:00.0/node_33: type node parent node_32
pci/0000:4b:00.0/node_32: type node parent node_16
pci/0000:4b:00.0/node_19: type node parent node_18
pci/0000:4b:00.0/node_18: type node parent node_17
pci/0000:4b:00.0/node_17: type node parent node_16
pci/0000:4b:00.0/node_21: type node parent node_20
pci/0000:4b:00.0/node_20: type node parent node_3
pci/0000:4b:00.0/node_14: type node parent node_5
pci/0000:4b:00.0/node_5: type node parent node_3
pci/0000:4b:00.0/node_13: type node parent node_4
pci/0000:4b:00.0/node_12: type node parent node_4
pci/0000:4b:00.0/node_11: type node parent node_4
pci/0000:4b:00.0/node_10: type node parent node_4
pci/0000:4b:00.0/node_9: type node parent node_4
pci/0000:4b:00.0/node_8: type node parent node_4
pci/0000:4b:00.0/node_7: type node parent node_4
pci/0000:4b:00.0/node_6: type node parent node_4
pci/0000:4b:00.0/node_4: type node parent node_3
pci/0000:4b:00.0/node_3: type node parent node_16
pci/0000:4b:00.0/node_16: type node parent node_15
pci/0000:4b:00.0/node_15: type node parent node_0
pci/0000:4b:00.0/node_2: type node parent node_1
pci/0000:4b:00.0/node_1: type node parent node_0
pci/0000:4b:00.0/node_0: type node
pci/0000:4b:00.0/1: type leaf parent node_27
pci/0000:4b:00.0/2: type leaf parent node_27
Let me visualize part of the tree:
+---------+
| node_0 |
+---------+
|
+----v----+
| node_26 |
+----+----+
|
+----v----+
| node_27 |
+----+----+
|
|-----------------|
+----v----+ +----v----+
| VF 1 | | VF 2 |
+----+----+ +----+----+
So at this point there is a couple things that can be done.
For example we could only assign parameters to VF's.
[root@fedora ~]# devlink port function rate set pci/0000:4b:00.0/1 \
tx_max 5Gbps
This would cap the VF 1 BW to 5Gbps.
But let's say you would like to create a completely new branch.
This can be done like this:
[root@fedora ~]# devlink port function rate add \
pci/0000:4b:00.0/node_custom parent node_0
[root@fedora ~]# devlink port function rate add \
pci/0000:4b:00.0/node_custom_1 parent node_custom
[root@fedora ~]# devlink port function rate set \
pci/0000:4b:00.0/1 parent node_custom_1
This creates a completely new branch and reassigns VF 1 to it.
A number of parameters is supported per each node: tx_max, tx_share,
tx_priority and tx_weight.
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
devlink-rate API requires a priv object to be allocated when node still
doesn't have a parent. This is problematic, because ice_sched_node can't
be currently created without a parent.
Add an option to pre-allocate memory for ice_sched_node struct. Add
new arguments to ice_sched_add() and ice_sched_add_elems() that allow
for pre-allocation of memory for ice_sched_node struct.
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
